GOLM METABOLOME DATABASE
How would you rate the quality of this mass spectrum?
poor, not helpful 
 outstanding, most helpful.
This spectrum was 0 times rated; on average=0.0

Docosahexaenoic acid, 4,7,10,13,16,19-(Z,Z,Z,Z,Z,Z)- (1TMS)

 

Replica Mass Spectra of Docosahexaenoic acid, 4,7,10,13,16,19-(Z,Z,Z,Z,Z,Z)- (1TMS)

replicalib entry datedetectionmethodspecies
225 January 2005 MS-TOFM[MOR] 
319 July 2007 MS-TOFMDN35Reference Substance
2 spectrum(a)
rotate: click+drag; translate: alt+click+drag; zoom: mousewheel; save: mol

Spectrum Details

analyteDocosahexaenoic acid, 4,7,10,13,16,19-(Z,Z,Z,Z,Z,Z)- (1TMS)
analyte InChIInChI=1S/C25H40O2Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25(26)27-28(2,3)4/h6-7,9-10,12-13,15-16,18-19,21-22H,5,8,11,14,17,20,23-24H2,1-4H3/b7-6-,10-9-,13-12-,16-15-,19-18-,22-21-
analyte mass400.67
chromatogram6069if_43
citation 
authorsBoelling C, Liebig F, Erban A, Kopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
lib entry date19 July 2007
metabolite roleMST
retention time (sec)1,491.54
retention index (VAR5 method, n-alkanes C10–C36)2,575.85 (observed)
base peak (m/z)73
maximal intensity38,736
mass-intensity-peaks cardinality458 intensities
minimal m/z45
maximal m/z1,000
download JCAMP DXSpectrumJcampDx.ashx?id=a1950458-e10b-4da5-a408-1438947642c0
download MSPSpectrumMsp.ashx?id=a1950458-e10b-4da5-a408-1438947642c0

GC-Method

nameVAR5
citationKopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
attributetextdetails
deconvolutionChromaTOFOFFSET: "just above noise"; SMOOTHING: 20; PEAK WIDTH: 6; S/N: 2
derivatizationMEOX; TMSMETHOXYAMINATION: 90min at 30°C; TRIMETHYLSILYLATION: 30min at 37°C
detectorMS-TOFm/z = 70-600; scans:20/s; Pegasus III TOF mass spectrometer
extractionwater:chloroform (2:1; v/v) 15min at 70°C
gas chromatographAgilent GC 6890 
ion sourceEI70eV
mass spectrometry instrumentPegasus III TOF mass spectrometer 
metabolic inactivationshock-frozen in liquid nitrogen 
RIALKANEC10, C12, C15, C18, C19, C22, C28, C32, C36
separationGCCOLUMN:5%phenyl-95%dimethylpolysiloxane, 30+10m, ID:0.25mm, DF:0.25µm, 5PDM VF-5ms (Varian, Darmstadt, Germany); PROGRAM:iso1min 70°C, ramp 9°C/min, iso 5min 350°C; FLOW:Helium, 0.6mL/min; INJECTION:1µL, splitless, 230°C; TRANSFER:250°C; IONSOURCE:250°C
protocolpropertyvalue
extractionwater chloroform(2:1; v/v) 15min at 70°C
derivatizationderivatisationMETHOXYAMINATION, 90min at 30°C
derivatizationderivatisationTRIMETHYLSILYLATION, 30min at 37°C
separationIon source temperature250°C
separationColumn length30+10m (analytical column + guard column)
separationColumn inner diameter0.25mm
separationTemperature programisotherm 1min 70°C, ramp 9°C/min, isotherm 5min 350°C
ion sourceelectron ionization70eV
detectorLECO instrument modelPegasus III TOF mass spectrometer
detectorhighest observed m/zm/z = 600
detectorlowest observed m/zm/z = 70
detectorsampling frequency20 scans/s
detectormass analyzer typeMS-TOF
deconvolutionmoving average smoothing20
deconvolutionsoftwareChromaTOF
deconvolutionsignal-to-noise ratio2
RIRetention indexdecane
RIRetention indexdodecane
RIRetention indexpentadecane
RIRetention indexoctadecane
RIRetention indexnonadecane
RIRetention indexdocosane
RIRetention indexoctacosane
RIRetention indexdotriacontane
RIRetention indexhexatriacontane
ChromatographyChromatographyAgilent GC 6890

comments on this mass spectrum

Post a Comment
Name:
 
Website:
Email:
Comments:
service last updated 31/08/2021 © 2008-2014 Golm Metabolome Database - All rights reserved
Top